You can type a degree symbol with your keyboard using key combinations on a computer or numerical keyboard menus on a phone ...

You can add special characters on a PC or Mac computer by using keyboard shortcuts or accessing a pop-up window.

If you are a coder or have the know-how of computer programming, then you would know that to add a ‘not equal to’ sign, we use “!=”. Although this does the job for you as your system can understand ...